FAA Rotorcraft Monthly Accidents
Accident Powerpoint Presentation U.S. Helicopter Safety Team, Attached is the Rotorcraft Monthly Accident Briefing for July 2019. Monthly...


Collective Ground Adjustment
HAVE YOU CHECKED YOUR COLLECTIVE FRICTION LATELY? I just received a couple of photos of the set screws used to make adjustment of the...


42 & 90 Degree Gearbox Caps
A couple of weeks ago I was asked to give some basic information to the maintenance man the pickup team brought with them. He hadn’t...

UH-1 Maintenance Training Course
Do you have a new mechanic or mechanics that need a refresher course on the UH-1 helicopter? Do you need an IA renewal? Peter Frinchaboy...


Servo Mount Nuts
Hi this is Pete from Metro Fire again. On the NTSB accident website there is an accident involving aircraft UH-1H N260TA 5-23-2014. There...


Main Rotor Support and Bumpers
The military main rotor was modified with a plate bolted to the bottom of the main rotor yoke and a support bolted to the mast just above...


Recent Linear Actuator Failure
One of our operators shared the following information after one of their pilots had a linear actuator failure while fighting fires in...


Synchronized Elevators
The purpose of the synchronized elevators is to increase the fore/aft cg range by lowering the tail as the aircraft accelerated. They did...

Troubleshooting Hydraulic Leaks
A Quick Guide to Troubleshooting Hydraulic System Internal Leaks Here in my town, there is an automobile radiator repair shop with a...


Skid Mount to Main Frame
With the panel aft of the fuel cell panel removed you can see the rear connection to the fuel cell and the attachment of the rear...